<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
    <style>
        #box {
            width: 600px;
            height: 600px;
            background-color: #7fff78;
            float: left;
        }
        #msg{
            width: 300px;
            height: 1000px;
            background-color: antiquewhite;
            float: left;
        }
    </style>
    <script src="dragimage.js"></script>
</head>
<body>
<div id="box"></div>
<div id="msg">

</div>
</body>
</html>
